Finding the Fourth Proportional to 1,037,459.37, 1,431,691.10 and 578,574.42
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Solution
The fourth proportional to 1,037,459.37, 1,431,691.10 and 578,574.42 is: 798,431.12
Step by Step Solution
- Step 1: Write the proportion equation
1,037,459.37 : 1,431,691.10 = 578,574.42 : x - Step 2: Convert to fraction form
1,037,459.37/1,431,691.10 = 578,574.42/x - Step 3: Cross multiply
1,037,459.37x = 1,431,691.10 × 578,574.42 - Step 4: Simplify right side
1,037,459.37x = 828,339,844,908.79 - Step 5: Solve for x
x = 828,339,844,908.79/1,037,459.37 - Step 6: Final answer
x = 798,431.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.